CN109024629B - Slope supporting method - Google Patents
Slope supporting method Download PDFInfo
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- CN109024629B CN109024629B CN201810983748.6A CN201810983748A CN109024629B CN 109024629 B CN109024629 B CN 109024629B CN 201810983748 A CN201810983748 A CN 201810983748A CN 109024629 B CN109024629 B CN 109024629B
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- concrete
- retaining wall
- sash
- anchor rod
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 239000000945 filler Substances 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 17
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- -1 polypropylene ethylene Polymers 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 7
- 238000009941 weaving Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0208—Gabions
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0283—Retaining or protecting walls characterised by constructional features of mixed type
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Revetment (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a side slope supporting method, which comprises the following steps: s1, the stock is fixed, S2, set up the barricade, S3, sash set up: use sash roof beam to lay on the side slope to adopt thin steel wire and stock bundle to be in the same place, form crisscross latticed structure, can form sash framework, S4, concrete placement: pouring concrete into the retaining wall to form a concrete retaining wall structure, S5, testing, S6 and finishing, wherein the sash framework is tied up by the anchor rods fixed by the concrete, the structural strength and the compactness convenient to connect can be increased, the protection effect is improved, meanwhile, fillers are filled into the gabion basket tied up by the reinforcing steel bars, the retaining wall structure is formed by pouring the concrete, the retaining wall structure is beneficial to being moved into the gabion after external construction, mutual interference is avoided, the construction efficiency is improved, and the side slope protection effect is ensured.
Description
Technical Field
The invention relates to the technical field of slope support, in particular to a slope support method.
Background
In the building construction process, engineering side slopes are often required to be supported, and in actual engineering, different side slope supporting forms are required to be adopted for different terrain and geological conditions.
However, the existing side slope supporting method has some disadvantages in actual construction, for example, the frame structure is directly laid on the side slope, and then the concrete protective surface is poured, so that the frame structure is unstable in contact with the side slope, and is easily damaged due to factors such as settlement, the protective effect is poor, and the concrete retaining wall structure is simply poured at the bottom of the side slope, so that all pouring works are carried out in the same time period, the concrete setting period is long, the concrete is mutually interfered in time, the construction progress is influenced, the connection stability with the concrete protective surface is poor, the retaining wall effect is easily lost due to cracking and the like, and the construction mode is single, and the stability and the construction efficiency are influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a side slope supporting method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a slope supporting method comprises the following steps:
s1, fixing the anchor rod: punching a hole on the slope, inserting a prestressed anchor rod into the hole, pouring concrete slurry into the hole, and fixing one end of the anchor rod;
s2, setting a retaining wall: fixing the gabion basket to the bottom of the side slope to form a retaining wall structure;
s3, setting a sash: the sash beams are laid on the side slopes, and the thin steel wires and the anchor rods are bundled together to form a cross-shaped latticed structure, so that a sash framework can be formed;
s4, pouring concrete: pouring concrete into the retaining wall to form a concrete retaining wall structure, and pouring concrete on the surfaces of the sash lattices to obtain a concrete protective surface which is connected with the concrete retaining wall;
s5, testing: after the concrete is solidified, stretching the prestressed anchor rod, and detecting the protection strength;
s6, finishing: and cutting off the end head of the leaked anchor rod, and performing anchor sealing treatment on the prestressed anchor rod.
Preferably, the anchor rods are arranged at intervals, the transverse interval is 0.5m-1m, and the longitudinal interval is 0.2m-0.5 m.
Preferably, the manufacturing method of the gabion basket comprises the following steps:
p1, bundling the steel bars into a square frame structure by using thin steel wires;
p2, enclosing the four square frame structures into a square column structure, and binding the adjacent square frame structures together through thin steel wires;
p3, placing the fifth square frame structure at the bottom of the square column structure, and binding together by using thin steel wires to obtain a cylindrical structure;
p4, laying the net bag in the cylindrical structure, and binding and fixing the net bag at the edges and corners through thin steel wires to obtain the gabion basket;
p5, placing the gabion at the bottom of the side slope, filling the gabion with fillers, and compacting and fixing the gabion.
Preferably, the filler comprises 40-60% of broken stones, 10-20% of coarse sand and 25-50% of river bottom pebbles.
Preferably, the net bag is made of polypropylene ethylene plastic weaving.
Preferably, the intersections of the sash frameworks are welded and fixed by adopting encrypted steel bars.
Preferably, the thickness of the concrete protective surface is 10mm to 20 mm.
Preferably, the tensioning prestressed anchor rod is tensioned by a jack with the model number of RRH-307.
According to the side slope supporting method, the sash framework is tied up through the anchor rods fixed by the concrete, the structural strength can be improved, the tightness of the sash framework is convenient to connect, the protection effect is improved, meanwhile, fillers are filled in the gabion baskets tied up by the reinforcing steel bars, the retaining wall structure is formed by pouring the concrete, the retaining wall structure is beneficial to being moved into the gabion baskets after external construction, mutual interference is avoided, the construction efficiency is improved, and the side slope protection effect is guaranteed.
Drawings
FIG. 1 is a flow chart of the steps of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A slope supporting method comprises the following steps:
s1, fixing the anchor rod: and (4) punching a hole on the slope, inserting the prestressed anchor rod into the hole, pouring concrete slurry into the hole, and fixing one end of the anchor rod.
S2, setting a retaining wall: and fixing the gabion basket to the bottom of the side slope to form a retaining wall structure.
S3, setting a sash: the sash beams are laid on the side slopes, and the fine steel wires and the anchor rods are bundled together to form a cross-shaped latticed structure, so that a sash framework can be formed.
S4, pouring concrete: and pouring concrete inside the retaining wall to form a concrete retaining wall structure, and pouring concrete on the surface of the sash to obtain a concrete protective surface which is connected with the concrete retaining wall.
S5, testing: and after the concrete is solidified, stretching the prestressed anchor rod, and detecting the protection strength.
S6, finishing: and cutting off the end head of the leaked anchor rod, and performing anchor sealing treatment on the prestressed anchor rod.
Preferably, the anchor rods are arranged at intervals, the transverse interval is 0.5m-1m, and the longitudinal interval is 0.2m-0.5 m.
Preferably, the manufacturing method of the gabion basket comprises the following steps:
p1, binding the steel bars into a square frame structure by using thin steel wires.
P2, enclosing the four square frame structures into a square column structure, and binding the adjacent square frame structures together through thin steel wires.
P3, placing the fifth box structure at the bottom of the square column structure, and binding together with thin steel wires, the cylindrical structure can be obtained.
P4, laying the net bag in the cylindrical structure, and binding and fixing the net bag at the edges and corners through thin steel wires to obtain the gabion basket.
P5, placing the gabion at the bottom of the side slope, filling the gabion with fillers, and compacting and fixing the gabion.
Preferably, the filler comprises 40-60% of broken stones, 10-20% of coarse sand and 25-50% of cobbles at the bottom of a river.
Preferably, the net bag is made of polypropylene ethylene plastic weaving.
Preferably, the intersections of the sash frameworks are welded and fixed by using encrypted steel bars.
Preferably, the thickness of the concrete protective surface is 10mm to 20 mm.
Preferably, the prestressed tensioning anchor rod is tensioned by a jack with the model number RRH-307.
According to the side slope supporting method, the sash framework is tied up through the anchor rods fixed by the concrete, the structural strength can be improved, the tightness of the sash framework is convenient to connect, the protection effect is improved, meanwhile, fillers are filled in the gabion baskets tied up by the reinforcing steel bars, the retaining wall structure is formed by pouring the concrete, the retaining wall structure is beneficial to being moved into the gabion baskets after external construction, mutual interference is avoided, the construction efficiency is improved, and the side slope protection effect is guaranteed.
Example 1
A slope supporting method comprises the following steps:
s1, fixing the anchor rod: and (4) punching a hole on the slope, inserting the prestressed anchor rod into the hole, pouring concrete slurry into the hole, and fixing one end of the anchor rod.
S2, setting a retaining wall: and fixing the gabion basket to the bottom of the side slope to form a retaining wall structure.
S3, setting a sash: the sash beams are laid on the side slopes, and the fine steel wires and the anchor rods are bundled together to form a cross-shaped latticed structure, so that a sash framework can be formed.
S4, pouring concrete: and pouring concrete inside the retaining wall to form a concrete retaining wall structure, and pouring concrete on the surface of the sash to obtain a concrete protective surface which is connected with the concrete retaining wall.
S5, testing: and after the concrete is solidified, stretching the prestressed anchor rod, and detecting the protection strength.
S6, finishing: and cutting off the end head of the leaked anchor rod, and performing anchor sealing treatment on the prestressed anchor rod.
Preferably, the anchor rods are arranged at a spacing distance, the transverse spacing is 0.5m, and the longitudinal spacing is 0.5 m.
Preferably, the manufacturing method of the gabion basket comprises the following steps:
p1, binding the steel bars into a square frame structure by using thin steel wires.
P2, enclosing the four square frame structures into a square column structure, and binding the adjacent square frame structures together through thin steel wires.
P3, placing the fifth box structure at the bottom of the square column structure, and binding together with thin steel wires, the cylindrical structure can be obtained.
P4, laying the net bag in the cylindrical structure, and binding and fixing the net bag at the edges and corners through thin steel wires to obtain the gabion basket.
P5, placing the gabion at the bottom of the side slope, filling the gabion with fillers, and compacting and fixing the gabion.
Preferably, the filler comprises 50% of crushed stone, 10% of coarse sand and 40% of river bottom pebbles.
Preferably, the net bag is made of polypropylene ethylene plastic weaving.
Preferably, the intersections of the sash frameworks are welded and fixed by using encrypted steel bars.
Preferably, the thickness of the concrete protective surface is 12 mm.
Preferably, the prestressed tensioning anchor rod is tensioned by a jack with the model number RRH-307.
Example 2
A slope supporting method comprises the following steps:
s1, fixing the anchor rod: and (4) punching a hole on the slope, inserting the prestressed anchor rod into the hole, pouring concrete slurry into the hole, and fixing one end of the anchor rod.
S2, setting a retaining wall: and fixing the gabion basket to the bottom of the side slope to form a retaining wall structure.
S3, setting a sash: the sash beams are laid on the side slopes, and the fine steel wires and the anchor rods are bundled together to form a cross-shaped latticed structure, so that a sash framework can be formed.
S4, pouring concrete: and pouring concrete inside the retaining wall to form a concrete retaining wall structure, and pouring concrete on the surface of the sash to obtain a concrete protective surface which is connected with the concrete retaining wall.
S5, testing: and after the concrete is solidified, stretching the prestressed anchor rod, and detecting the protection strength.
S6, finishing: and cutting off the end head of the leaked anchor rod, and performing anchor sealing treatment on the prestressed anchor rod.
Preferably, the anchor rods are arranged at a spacing distance, the transverse spacing is 0.8, and the longitudinal spacing is 0.4 m.
Preferably, the manufacturing method of the gabion basket comprises the following steps:
p1, binding the steel bars into a square frame structure by using thin steel wires.
P2, enclosing the four square frame structures into a square column structure, and binding the adjacent square frame structures together through thin steel wires.
P3, placing the fifth box structure at the bottom of the square column structure, and binding together with thin steel wires, the cylindrical structure can be obtained.
P4, laying the net bag in the cylindrical structure, and binding and fixing the net bag at the edges and corners through thin steel wires to obtain the gabion basket.
P5, placing the gabion at the bottom of the side slope, filling the gabion with fillers, and compacting and fixing the gabion.
Preferably, the filler comprises 45% of crushed stone, 10% of coarse sand and 45% of river bottom pebbles.
Preferably, the net bag is made of polypropylene ethylene plastic weaving.
Preferably, the intersections of the sash frameworks are welded and fixed by using encrypted steel bars.
Preferably, the thickness of the concrete protective surface is 15 mm.
Preferably, the prestressed tensioning anchor rod is tensioned by a jack with the model number RRH-307.
Example 3
A slope supporting method comprises the following steps:
s1, fixing the anchor rod: and (4) punching a hole on the slope, inserting the prestressed anchor rod into the hole, pouring concrete slurry into the hole, and fixing one end of the anchor rod.
S2, setting a retaining wall: and fixing the gabion basket to the bottom of the side slope to form a retaining wall structure.
S3, setting a sash: the sash beams are laid on the side slopes, and the fine steel wires and the anchor rods are bundled together to form a cross-shaped latticed structure, so that a sash framework can be formed.
S4, pouring concrete: and pouring concrete inside the retaining wall to form a concrete retaining wall structure, and pouring concrete on the surface of the sash to obtain a concrete protective surface which is connected with the concrete retaining wall.
S5, testing: and after the concrete is solidified, stretching the prestressed anchor rod, and detecting the protection strength.
S6, finishing: and cutting off the end head of the leaked anchor rod, and performing anchor sealing treatment on the prestressed anchor rod.
Preferably, the anchor rods are arranged at a spacing distance, the transverse spacing is 0.6m, and the longitudinal spacing is 0.3 m.
Preferably, the manufacturing method of the gabion basket comprises the following steps:
p1, binding the steel bars into a square frame structure by using thin steel wires.
P2, enclosing the four square frame structures into a square column structure, and binding the adjacent square frame structures together through thin steel wires.
P3, placing the fifth box structure at the bottom of the square column structure, and binding together with thin steel wires, the cylindrical structure can be obtained.
P4, laying the net bag in the cylindrical structure, and binding and fixing the net bag at the edges and corners through thin steel wires to obtain the gabion basket.
P5, placing the gabion at the bottom of the side slope, filling the gabion with fillers, and compacting and fixing the gabion.
Preferably, the filler comprises 60% of crushed stone, 15% of coarse sand and 25% of river bottom pebbles.
Preferably, the net bag is made of polypropylene ethylene plastic weaving.
Preferably, the intersections of the sash frameworks are welded and fixed by using encrypted steel bars.
Preferably, the thickness of the concrete protective surface is 18 mm.
Preferably, the prestressed tensioning anchor rod is tensioned by a jack with the model number RRH-307.
Example 4
A slope supporting method comprises the following steps:
s1, fixing the anchor rod: and (4) punching a hole on the slope, inserting the prestressed anchor rod into the hole, pouring concrete slurry into the hole, and fixing one end of the anchor rod.
S2, setting a retaining wall: and fixing the gabion basket to the bottom of the side slope to form a retaining wall structure.
S3, setting a sash: the sash beams are laid on the side slopes, and the fine steel wires and the anchor rods are bundled together to form a cross-shaped latticed structure, so that a sash framework can be formed.
S4, pouring concrete: and pouring concrete inside the retaining wall to form a concrete retaining wall structure, and pouring concrete on the surface of the sash to obtain a concrete protective surface which is connected with the concrete retaining wall.
S5, testing: and after the concrete is solidified, stretching the prestressed anchor rod, and detecting the protection strength.
S6, finishing: and cutting off the end head of the leaked anchor rod, and performing anchor sealing treatment on the prestressed anchor rod.
Preferably, the anchor rods are arranged at a spacing distance, the transverse spacing is 1m, and the longitudinal spacing is 0.2 m.
Preferably, the manufacturing method of the gabion basket comprises the following steps:
p1, binding the steel bars into a square frame structure by using thin steel wires.
P2, enclosing the four square frame structures into a square column structure, and binding the adjacent square frame structures together through thin steel wires.
P3, placing the fifth box structure at the bottom of the square column structure, and binding together with thin steel wires, the cylindrical structure can be obtained.
P4, laying the net bag in the cylindrical structure, and binding and fixing the net bag at the edges and corners through thin steel wires to obtain the gabion basket.
P5, placing the gabion at the bottom of the side slope, filling the gabion with fillers, and compacting and fixing the gabion.
Preferably, the filler comprises 55% of crushed stone, 20% of coarse sand and 25% of river bottom pebbles.
Preferably, the net bag is made of polypropylene ethylene plastic weaving.
Preferably, the intersections of the sash frameworks are welded and fixed by using encrypted steel bars.
Preferably, the thickness of the concrete protective surface is 20 mm.
Preferably, the prestressed tensioning anchor rod is tensioned by a jack with the model number RRH-307.
The above description is only for the preferred embodiment of the present invention, but the present invention should not be limited to the embodiment and the disclosure of the drawings, and therefore, all equivalent or modifications that do not depart from the spirit of the present invention are intended to fall within the scope of the present invention.
Claims (3)
1. A slope supporting method is characterized in that: the slope supporting method comprises the following steps:
s1, fixing the anchor rod: punching a hole on the slope, inserting a prestressed anchor rod into the hole, pouring concrete slurry into the hole, and fixing one end of the anchor rod;
s2, setting a retaining wall: fixing the gabion basket to the bottom of the side slope to form a retaining wall structure;
s3, setting a sash: the sash beams are laid on the side slopes, and the thin steel wires and the anchor rods are bundled together to form a cross-shaped latticed structure, so that a sash framework can be formed;
s4, pouring concrete: pouring concrete into the retaining wall to form a concrete retaining wall structure, and pouring concrete on the surfaces of the sash lattices to obtain a concrete protective surface which is connected with the concrete retaining wall;
s5, testing: after the concrete is solidified, stretching the prestressed anchor rod, and detecting the protection strength;
s6, finishing: cutting off the end of the leaked anchor rod and performing anchor sealing treatment on the prestressed anchor rod;
in the step S1, setting a spacing distance between the anchor rods, wherein the transverse spacing is 0.5m-1m, and the longitudinal spacing is 0.2m-0.5 m;
the manufacturing method of the gabion in the step S2 comprises the following steps:
p1, bundling the steel bars into a square frame structure by using thin steel wires;
p2, enclosing the four square frame structures into a square column structure, and binding the adjacent square frame structures together through thin steel wires;
p3, placing the fifth square frame structure at the bottom of the square column structure, and binding together by using thin steel wires to obtain a cylindrical structure;
p4, laying net bags in the cylindrical structure, and bundling and fixing the net bags at the edges and corners through thin steel wires to obtain the gabion basket;
p5, placing the gabion basket at the bottom of the side slope, filling the gabion basket with fillers, and compacting and fixing the gabion basket;
the thickness of the concrete protective surface in the step S4 is 10mm to 20 mm;
the filler in the step P5 comprises 40-60% of broken stones, 10-20% of coarse sand and 25-50% of river bottom pebbles.
2. A method of slope support according to claim 1, wherein: the net bag is made of polypropylene ethylene plastic by weaving.
3. A method of slope support according to claim 1, wherein: and the intersections of the sash frameworks are welded and fixed by adopting the encrypted steel bars.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810983748.6A CN109024629B (en) | 2018-08-27 | 2018-08-27 | Slope supporting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810983748.6A CN109024629B (en) | 2018-08-27 | 2018-08-27 | Slope supporting method |
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| CN109024629B true CN109024629B (en) | 2020-07-03 |
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| CN110486070A (en) * | 2019-09-19 | 2019-11-22 | 武威 | A kind of constructing structure of the prestressed anchor of tunnel or Culvert engineering |
| CN111188347B (en) * | 2020-02-13 | 2022-01-25 | 中电建建筑集团有限公司 | High slope retaining wall and construction method thereof |
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| KR100653374B1 (en) * | 2005-12-29 | 2006-12-05 | 임철웅 | Dome type for the soil reinforcement a stone-mesh lattice frame and all sides reinforcement a method of construction use of steel-pole nailing |
| CN202509510U (en) * | 2012-03-22 | 2012-10-31 | 中国水电顾问集团华东勘测设计研究院 | Side slope support protection structure |
| CN104863031B (en) * | 2015-05-11 | 2016-08-31 | 长安大学 | A kind of karst area ductility anti-collapse road structure and construction method thereof |
| CN104878767B (en) * | 2015-05-28 | 2016-08-24 | 杭州江润科技有限公司 | Rock slope concrete for plant growth is combined the construction method of ecoscape protection with moulding stone |
| CN206941612U (en) * | 2017-03-23 | 2018-01-30 | 中国电建集团华东勘测设计研究院有限公司 | A kind of side slope toe erosion control supporting construction |
| CN107254881A (en) * | 2017-08-04 | 2017-10-17 | 广西路桥工程集团有限公司 | A kind of slope retaining structure and method for protecting support |
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Address after: 510290 No. 483, Nanzhou Road, Haizhu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Urban and Rural Planning and Design Institute Technology Group Co.,Ltd. Country or region after: China Address before: 510290 No. 483, Nanzhou Road, Haizhu District, Guangzhou City, Guangdong Province Patentee before: Guangdong urban and rural planning and Design Institute Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |